import Anthropic from "@anthropic-ai/sdk"; const client = new Anthropic({ apiKey: process.env.ANTHROPIC_API_KEY }); const response = await client.messages.create({ model: "claude-3-5-sonnet-20240620", max_tokens: 200, temperature: 0.0, system: "You are a deterministic analysis engine.", messages: [ { role: "user", content: [ { type: "text", text: "The service was slow and frustrating.", cache_control: { type: "ephemeral" } } ] } ] }); console.log(response.content[0].text);